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| 20120170379 | SEMICONDUCTOR MEMORY DEVICE AND METHOD OF OPERATING THE SAME - A semiconductor memory device according to an aspect of the present disclosure includes a first page buffer coupled to a first even bit line and a first odd bit line, a second page buffer coupled to a second even bit line and a second odd bit line, and a controller configured to control the first and the second page buffers so that the second page buffer sets the second even bit line in a floating state such that the voltage of the second even bit line is changed according to a shift in the voltage of the first odd bit line, when a read operation for memory cells coupled to the first odd bit line is performed, and the second page buffer stores data corresponding to the level of threshold voltages of the memory cells by detecting a shift in the voltage of the second even bit line. | 07-05-2012 |
| 20120269007 | SEMICONDUCTOR MEMORY DEVICE AND METHOD OF READING OUT THE SAME - A semiconductor memory device includes a memory cell array configured to include memory cells, peripheral circuits configured to read out data stored in a selected memory cell in a read operation, and a controller configured to control the peripheral circuits so that the peripheral circuits sense a voltage level of the bit line when a first read voltage of the read voltages is supplied to the word line and the peripheral circuits sense voltage levels of the bit line when a second read voltage lower than the first read voltage by a specific level and a third read voltage higher than the first read voltage by the specific level are supplied to the word line in order to determine whether a threshold voltage of the selected memory cell falls within a set voltage distribution in the read operation. | 10-25-2012 |
| 20120314501 | SEMICONDUCTOR DEVICE AND METHOD OF PROGRAMMING THE SAME - A method of programming a semiconductor device includes performing a Least Significant Bit (LSB) program operation on selected memory cells, performing a soft program operation on the remaining memory cells other than memory cells on which the LSB program operation has been performed, and performing a Most Significant Bit (MSB) program operation on memory cells, selected from among the memory cells on which the LSB program operation has been performed and the memory cells on which the soft program operation has been performed. | 12-13-2012 |
| 20130051145 | SEMICONDUCTOR MEMORY DEVICE AND METHOD OF OPERATING THE SAME - A semiconductor memory device includes memory blocks that each include memory cells coupled to bit lines, a column masking circuit configured to output data change signals in response to an address signal indicating bit lines of selected columns among a plurality of columns, and an operation circuit configured to store data of the memory cells transferred through the bit lines and simultaneously change data transferred through the bit lines of the selected columns into operation pass data in response to the data change signals. | 02-28-2013 |
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| 20120111755 | FOLDER TYPE TERMINAL COVER DEVICE - A cover for covering a folder type terminal including a first frame, a second frame, and a hinge for rotatably connecting the first frame and the second frame, the folder type terminal cover device includes: a first outer cover for covering the first frame; a second outer cover for covering the second frame; and a hinge cover for covering the hinge and in which a separation distance from the hinge increases when the folder type terminal is unfolded from a folded state. Thereby, an appearance and grip impression of the folder type terminal can be improved, and when the folder type terminal is put on a table in an unfolded state, the folder type terminal can maintain a predetermined angle from a table plane without a separate device. | 05-10-2012 |
| 20120129581 | DUAL DISPLAY FOLDER TYPE TERMINAL - A dual display folder type terminal having a hinge includes a manipulation unit formed in the hinge, wherein the inventive implementation of the hinge provides various function commands without the need of an additional space in the terminal. As a result, the size of the terminal doesn't suffer when implementing the manipulation unit. Further, the dual display folder type terminal can operate different modes based on the opening angle of a folder relative to the other folder. | 05-24-2012 |
| 20120137024 | DEVICE HAVING MULTI-FUNCTIONAL PERIPHERAL AND METHOD OF OPERATING THE SAME - A device including an attachable multi-functional peripheral device and a method of managing functions according to a connection between the device and the multi-functional peripheral device includes the steps of: checking a connected/disconnected state of the multi-functional peripheral device and an open/closed state of the folding device when a preset interrupt is generated; and controlling a functional operation related the preset interrupt according to the connected or disconnected state of the multi-functional peripheral device and the open or closed state of the folding device. | 05-31-2012 |
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| 20110199690 | PROJECTION LENS UNIT FOR PICO-PROJECTOR - There is provided a projection lens unit for a pico-projector which comprises a lens array, a color composition prism, a cover glass and an image panel, the projection lens unit characterized in that: the lens array includes 1 | 08-18-2011 |
| 20120046393 | Nano-hybrid Concrete Chemical Admixture for Chloride Invasion Resistance Consisting of Layered Double Hydroxide/Polyurethane Copolymer - The present invention relates to a chloride penetration resistant nano-hybrid concrete chemical admixture comprising layered double hydroxide and polyurethane copolymer. More specifically, nano-hybrid concrete chemical admixture obtained by combining the two compounds at a nano-scale, the layered double hydroxide which exhibits resistance to chloride penetration, and polyurethane copolymer which entails an excellent water reducing ability, durability and workability. In addition, the inorganic/organic hybrid material described herein exhibits high water reducing ability, improved resistance to chloride penetration, and thus can be used as chloride penetration resistant concrete chemical admixture for marine concretes. | 02-23-2012 |
| 20120170133 | PROJECTION LENS UNIT FOR PICO-PROJECTOR - A projection lens unit for a pica-projector includes a plurality of plastic lenses and a single glass lens to minimize a change in focal length due to the heat generated inside the pico-projector. The lens array includes:
| 07-05-2012 |
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| 20110045775 | APPARATUS AND METHOD FOR REDUCING CROSS-TALK BETWEEN AUDIO CHANNELS IN A MOBILE TERMINAL - An apparatus and a method for reducing cross-talk between audio channels in a mobile terminal are provided. The apparatus includes an ear jack, a radio signal tuner, a baseband, and a switching unit. The ear jack includes a common port for a reference potential of an earphone and a radio signal. The radio signal tuner processes a radio signal input via the common port. The baseband determines an on/off state of a radio reception function to output a control signal. The switching unit connects the common port of the ear jack to one of a ground and the radio signal tuner according to the control signal. | 02-24-2011 |
| 20130064381 | MOBILE DEVICE FOR MULTI-CHANNEL SOUND COLLECTION AND OUTPUT USING COMMON CONNECTOR, AND DRIVING METHOD THEREOF - A mobile device for providing multi-channel sound collection and output using a common connector, and a driving method thereof are provided. A mobile device having a sound compressor and a sound decompressor includes a connector slidably receiving a sound collector plug or a sound output plug, a plug identification unit for, if one of the sound collector plug and the sound output plug is coupled to the connector, identifying if the plug coupled to the connector is the sound collector plug or is the sound output plug, a switching unit for electrically coupling the plug coupled to the connector, to the sound compressor, or electrically coupling the plug coupled to the connector, to the sound decompressor, and a controller for controlling switching of the switching unit according to the identification outcome. | 03-14-2013 |
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| 20100130215 | Method of determining an access mode of cell in a wireless communication system - The present invention relates to a wireless communication system and UE providing wireless communication services, and a method of determining the operation mode of a base station, that is, the connection mode (access mode) of a cell, based on which UE's connection is allowed by a base station in an evolved Universal Mobile Telecommunications System (UMTS) that has evolved from a Universal Mobile Telecommunications System (UMTS) or a Long Term Evolution (LTE) system, and it may be an object of the present invention to provide a process of determining the connection mode of a cell by checking the existence of a subscriber group identity if it is determined that the connection mode of a cell is not allowed for one or more UEs belonging to a particular subscriber group. | 05-27-2010 |
| 20100190488 | Method of Reporting An Aggregated Measurement in Wireless Communication System - Disclosed is the radio (wireless) communication system providing a radio communication service and the terminal, and more particularly, to a method of transmitting an aggregated measurement report to a network in an Evolved Universal Mobile Telecommunications System (E-UMTS) evolved from the Universal Mobile Telecommunications System (UMTS) or a Long Term Evolution (LTE) system. | 07-29-2010 |
| 20100272086 | Method of Releasing An Access Restriction at High Interference Cell in a Wireless Communication System - The present invention relates to a wireless communication system and UE providing wireless communication services, and a method of transmitting and receiving data between a terminal and a base station in an evolved Universal Mobile Telecommunications System (UMTS) that has evolved from a Universal Mobile Telecommunications System (UMTS), a Long Term Evolution (LTE) system, or a LTE-A (LTE-Advanced) system, and more particularly, to a method of releasing an access restriction at high interference cell, such that an effect of the interference can be minimized. | 10-28-2010 |
| 20100330921 | Method of Transmitting Measurement Report in Wireless Communication System - Disclosed is a wireless communication system and terminal for providing a wireless communication service, and more particularly, a method of transmitting a measurement log from a terminal to a network when a RRC connected terminal has not found a RRC connectable network, although a wireless dedicated channel is not allocated between the terminal and the network, in an Evolved Universal Mobile Telecommunications System (E-UMTS) evolved from a UMTS, Long Term Evolution (LTE) System or LTE-Advanced (LTE-A) system. | 12-30-2010 |
| 20110306336 | METHOD OF DETERMINING AN ACCESS MODE OF CELL IN A WIRELESS COMMUNICATION SYSTEM - The present invention relates to a wireless communication system and UE providing wireless communication services, and a method of determining the operation mode of a base station, that is, the connection mode (access mode) of a cell, based on which UE's connection is allowed by a base station in an evolved Universal Mobile Telecommunications System (UMTS) that has evolved from a Universal Mobile Telecommunications System (UMTS) or a Long Term Evolution (LTE) system, and it may be an object of the present invention to provide a process of determining the connection mode of a cell by checking the existence of a subscriber group identity if it is determined that the connection mode of a cell is not allowed for one or more UEs belonging to a particular subscriber group. | 12-15-2011 |
| 20120129515 | METHOD OF DETERMINING AN ACCESS MODE OF CELL IN A WIRELESS COMMUNICATION SYSTEM - The present invention relates to a wireless communication system and UE providing wireless communication services, and a method of determining the operation mode of a base station, that is, the connection mode (access mode) of a cell, based on which UE's connection is allowed by a base station in an evolved Universal Mobile Telecommunications System (UMTS) that has evolved from a Universal Mobile Telecommunications System (UMTS) or a Long Term Evolution (LTE) system, and it may be an object of the present invention to provide a process of determining the connection mode of a cell by checking the existence of a subscriber group identity if it is determined that the connection mode of a cell is not allowed for one or more UEs belonging to a particular subscriber group. | 05-24-2012 |
| 20120129523 | METHOD OF DETERMINING AN ACCESS MODE OF CELL IN A WIRELESS COMMUNICATION SYSTEM - The present invention relates to a wireless communication system and UE providing wireless communication services, and a method of determining the operation mode of a base station, that is, the connection mode (access mode) of a cell, based on which UE's connection is allowed by a base station in an evolved Universal Mobile Telecommunications System (UMTS) that has evolved from a Universal Mobile Telecommunications System (UMTS) or a Long Term Evolution (LTE) system, and it may be an object of the present invention to provide a process of determining the connection mode of a cell by checking the existence of a subscriber group identity if it is determined that the connection mode of a cell is not allowed for one or more UEs belonging to a particular subscriber group. | 05-24-2012 |
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| 20090195709 | IMAGE PROJECTION SYSTEM AND METHOD - Provided are an image projection system and method, the image projection system including: a light source for providing illumination light; an illumination optics for receiving and illuminating the illumination light; a Spatial Light Modulator (SLM) having 2 rows of modulation devices formed to be offset from each other, each of the modulation devices modulating the light illuminated from the illumination optics; a frame scanner for scanning the modulated light from the SLM onto a screen to thereby generate a two-dimensional (2D) image corresponding to one frame on the screen; and a projection optics for projecting and focusing the modulated light transmitted from the frame scanner onto the screen. | 08-06-2009 |
| 20120032200 | METHOD FOR COATING LIGHT-EMITTING DEVICES, LIGHT COUPLER, AND METHOD FOR MANUFACTURING THE LIGHT COUPLER - A method of coating a light emitting device is provided. The method includes preparing a plurality of light emitting devices. The plurality of light emitting devices are coated with a first photocurable liquid. First light is selectively exposed to the first photocurable liquid to form a first coating layer on at least a partial region of a surface of each of the plurality of light emitting devices. The plurality of light emitting devices on which the first coating layer is formed are coated with a second photocurable liquid. Second light is selectively exposed to the second photocurable liquid to form a second coating layer on at least a partial region of the surface of each of the plurality of light emitting devices or a surface of the first coating layer. The first coating layer corresponds to the cured first photocurable liquid, while the second coating layer corresponds to the cured second photocurable liquid. | 02-09-2012 |
| 20120040087 | METHOD OF FABRICATING SUBSTRATE WHERE PATTERNS ARE FORMED - Provided is a method of fabricating a substrate where patterns are formed, the method including: preparing a solution in which a plurality of oxide beads are dispersed; forming patterns on a substrate; installing a provisional structure in an upper portion of the substrate so that a micro-channel is formed on the substrate; injecting the solution in which the oxide beads are dispersed, into the micro-channel and fixing the oxide beads at the substrate; and thermally processing the substrate. A plurality of low-priced oxide beads can be patterned on a substrate to have a desired shape so that damages can be prevented from occurring in the substrate during dry etching, and an etching process is not performed so that a yield of a device is not reduced and mass production of the device increases. In addition, a high-priced equipment for dry etching is not needed so that the method of fabricating the substrate is economical and high productivity in which large quantities of substrates are fabricated within a short time is achieved. | 02-16-2012 |
| 20120040092 | METHOD OF FABRICATING SUBSTRATE WHERE PATTERNS ARE FORMED - Provided is a method of fabricating a substrate where patterns are formed, the method including: forming first bonding agent patterns having selective cohesion in a position in which oxide bead patterns are to be formed on a substrate; coating a second bonding agent having larger cohesion with the first bonding agent than cohesion with the substrate, on a plurality of oxide beads, applying the oxide beads, on which the second bonding agent is coated, to the substrate and forming the oxide beads, on which the second bonding agent is coated, on the first bonding agent patterns; and thermally processing the substrate. A plurality of low-priced oxide beads can be patterned on a substrate to have a desired shape so that damages can be prevented from occurring in the substrate during dry etching, and an etching process is not performed so that a yield of a device is not reduced and mass production of the device increases. In addition, a high-priced equipment for dry etching is not needed so that the method of fabricating the substrate is economical and high productivity in which large quantities of substrates are fabricated within a short time is achieved. | 02-16-2012 |
| 20120236278 | IMAGE PROCESSING-BASED LITHOGRAPHY SYSTEM AND METHOD OF COATING TARGET OBJECT - A technique related with a lithography system is disclosed. The lithography system includes at least one target object disposed on a substrate, a processor configured to process an image of the target object to determine an optical pattern for a coating layer of the target object, and an exposure apparatus configured to provide light having the optical pattern determined by the processor to the substrate. | 09-20-2012 |
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| 20110313194 | Graphene substituted with boron and nitrogen , method of fabricating the same, and transistor having the same - Graphene, a method of fabricating the same, and a transistor having the graphene are provided, the graphene includes a structure of carbon (C) atoms partially substituted with boron (B) atoms and nitrogen (N) atoms. The graphene has a band gap. The graphene substituted with boron and nitrogen may be used as a channel of a field effect transistor. The graphene may be formed by performing chemical vapor deposition (CVD) method using borazine or ammonia borane as a boron nitride (B—N) precursor. | 12-22-2011 |
| 20120080658 | Graphene electronic device and method of fabricating the same - A graphene electronic device and a method of fabricating the graphene electronic device are provided. The graphene electronic device may include a graphene channel layer formed on a hydrophobic polymer layer, and a passivation layer formed on the graphene channel layer. The hydrophobic polymer layer may prevent or reduce adsorption of impurities to transferred graphene, and a passivation layer may also prevent or reduce adsorption of impurities to a heat-treated graphene channel layer. | 04-05-2012 |
| 20120112250 | Semiconductor Device Including Graphene And Method Of Manufacturing The Semiconductor Device - In a semiconductor device including graphene, a gate insulating layer may be formed between a gate electrode and a graphene layer, and an interlayer insulating layer may be formed under a portion of the graphene layer under which the gate insulating layer is not formed. The gate insulating layer may include a material that has higher dielectric permittivity than the interlayer insulating layer. | 05-10-2012 |
| 20120132893 | Graphene Electronic Devices - A graphene electronic device includes a gate electrode, a gate oxide disposed on the gate electrode, a graphene channel layer formed on the gate oxide, and a source electrode and a drain electrode respectively disposed on both ends of the graphene channel layer. In the graphene channel layer, a plurality of nanoholes are arranged in a single line in a width direction of the graphene channel layer. | 05-31-2012 |
| 20120138903 | Graphene Substrates And Methods Of Fabricating The Same - The graphene substrate may include a metal oxide film on a substrate, and a graphene layer on the metal oxide film. The concentration of oxygen in the metal oxide film may be gradually reduced from the substrate towards the graphene layer, and the graphene layer may be formed directly on the metal oxide film. | 06-07-2012 |
| 20120168722 | Graphene Electronic Device Including A Plurality Of Graphene Channel Layers - Graphene electronic devices may include a gate electrode on a substrate, a first gate insulating film covering the gate electrode, a plurality of graphene channel layers on the substrate, a second gate insulating film between the plurality of graphene channel layers, and a source electrode and a drain electrode connected to both edges of each of the plurality of graphene channel layers. | 07-05-2012 |
| 20120175595 | Graphene Electronic Device And Method Of Fabricating The Same - A graphene electronic device includes a graphene channel layer on a substrate, a source electrode on an end portion of the graphene channel layer and a drain electrode on another end portion of the graphene channel layer, a gate oxide on the graphene channel layer and between the source electrode and the drain electrode, and a gate electrode on the gate oxide. The gate oxide has substantially the same shape as the graphene channel layer between the source electrode and the drain electrode. | 07-12-2012 |
| 20120256167 | GRAPHENE ELECTRONIC DEVICE AND METHOD OF FABRICATING THE SAME - The graphene electronic device may include a gate oxide on a conductive substrate, the conductive substrate configured to function as a gate electrode, a pair of first metals on the gate oxide, the pair of the first metals separate from each other, a graphene channel layer extending between the first metals and on the first metals, and a source electrode and a drain electrode on both edges of the graphene channel layer. | 10-11-2012 |
| 20120308846 | FERROMAGNETIC GRAPHENES AND SPIN VALVE DEVICES INCLUDING THE SAME - A ferromagnetic graphene includes at least one antidot such that the ferromagnetic graphene has ferromagnetic characteristics. A spin valve device includes a ferromagnetic graphene. The ferromagnetic graphene includes a first region, a second region, and a third region. At least one antidot is formed in each of the first region and the third region. The first region and the third region are ferromagnetic regions, whereas the second region is a non-ferromagnetic region. | 12-06-2012 |
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| 20120194451 | DISPLAY PANEL AND METHOD OF MANUFACTURING THE SAME - The display panel includes an opposite substrate and an array substrate. The opposite substrate includes a first substrate including a first surface and a second surface opposite to the first surface, a first wire electrode formed on the first surface, a first transparent electrode formed on the first surface and partially overlapping with the first wire electrode, and a common electrode formed on the second surface. The first wire on the first surface is formed before the first transparent electrode on the first surface. The array substrate includes a second substrate including a third surface facing the second surface, and a pixel layer formed on the third surface and facing the common electrode. | 08-02-2012 |
| 20130043473 | DISPLAY SUBSTRATE AND METHOD OF MANUFACTURING THE SAME - A display substrate includes a data line, a gate line and a fan-out line. The data line is disposed in a display area of a base substrate and transfers a data signal to a switching element electrically connected to a pixel electrode. The gate line is disposed in the display area and transfers a gate signal to the switching element. The fan-out line is disposed in a peripheral area of the base substrate surrounding the display area, electrically connected to at least one of the data line and the gate line, and includes a plurality of conductive layers making contact with each other through a contact hole. | 02-21-2013 |
| 20130076716 | LIQUID CRYSTAL DISPLAY - A liquid crystal display includes a substrate, a plurality of signal lines, a gate driver, and a sealant. The substrate includes a display area and a peripheral area outside the display area. The signal lines are integrated with the substrate and include a clock signal line. The gate driver includes a stage located between the clock signal line and the display area. The stage is integrated with the substrate and is configured to apply a gate voltage to the display area. The sealant is distributed over part of the peripheral area. A seal region where the sealant is distributed includes a seal line, and the clock signal line is located within the seal line. The clock signal line is located further away from the stage than the other signal lines. | 03-28-2013 |
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| 20080238300 | Organic electroluminescence device and method for fabricating the same - Disclosed herein are an organic electroluminescent (EL) device comprising a hole transport layer (HTL) and a method for fabricating the same. The organic electroluminescent (EL) device comprises a stack in which a light-emitting layer and a hole transport layer are interposed between an anode and a cathode, wherein the hole transport layer is made of a mixture of at least two materials, and wherein the mixture is selected from a mixture of an organic compound and one or more other organic compounds, a mixture of a metal or inorganic compound and one or more other metal or inorganic compounds, and a mixture of one or more organic compounds and one or more metal or inorganic compounds. | 10-02-2008 |
| 20090085476 | RED PHOSPHORESCENT COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE USING THE SAME - Disclosed herein is a red phosphorescent compound represented by Formula 1 below: | 04-02-2009 |
| 20100078631 | Organic light emitting diode display device - The OLED display device includes a first stack and a second stack that are separated from each other between an anode electrode and a cathode electrode, with a charge generation layer sandwiched between the first stack and the second stack, each of the first stack and the second stack having an emission layer. The first stack includes a blue emission layer formed between the anode electrode and the CGL. The second stack includes a fluorescent green emission layer and a phosphorescent red emission layer formed between the cathode electrode and the CGL. The blue emission layer includes one of a fluorescent blue emission layer and a phosphorescent blue emission layer. | 04-01-2010 |
| 20100133522 | WHITE ORGANIC LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING THE SAME - The present invention relates to a white organic light emitting device and a method for manufacturing the same, in which a hole transport layer is made to have an energy level higher than an energy level of an excited state of a phosphorescent light emitting layer adjacent thereto for enhancing light emitting efficiency of the hole transport layer without an additional exciton blocking layer, and a dopant content in the phosphorescent light emitting layer is adjusted for preventing color shift from taking place. | 06-03-2010 |
| 20110073844 | White Organic Light Emitting Device - A white organic light emitting device having a stack structure of blue fluorescence and red/green phosphorescence is disclosed, in which efficiency of the blue fluorescence is improved to increase lifespan of the white organic light emitting device, color quality is improved, and power consumption is reduced. | 03-31-2011 |
| 20110073885 | ORGANIC ELECTROLUMINESCENT DEVICE - An electroluminescent device includes: first to third pixel regions; a first electrode in each of the first to third pixel regions, wherein the first electrode of the third pixel region has a first thickness, the first electrode of the first pixel region has a second thickness less than the first thickness, and the first electrode of the second pixel region has a third thickness less than the second thickness; a second electrode in each of the first to third pixel regions; at least two electroluminescent units in each of the first and third pixel regions and disposed between the first electrode and second electrode, wherein one of the at least two electroluminescent units includes a blue light emitting layer and the other of the at least two electroluminescent units include a red/green light emitting layer; and a charge generation layer disposed between the at least two electroluminescent units. | 03-31-2011 |
| 20110121320 | WHITE ORGANIC LIGHT EMITTING DEVICE - A white organic light emitting device having a dual stack structure is disclosed, in which an electron transport layer adjacent to a blue light emitting layer includes an electron transport catalyst layer including metal to improve blue light emitting efficiency, and a greenish yellow dopant is used to improve white display efficiency, increase lifespan, and reduce power consumption. | 05-26-2011 |
| 20120097998 | White Organic Light Emitting Device - A white organic light emitting device which has high color temperature characteristics and no change in color coordinates according to luminance change, includes a first electrode and a second electrode opposite to each other on a substrate, a charge generation layer formed between the first electrode and the second electrode, a second stack including a second light emitting layer formed between the charge generation layer and the second electrode, and a first stack including a first light emitting layer formed between the first electrode and the charge generation layer, wherein the first emitting layer has low singlet-triplet exchange energy to change triplet excitons into a singlet state by triplet-triplet annihilation and a dopant concentration of the first light emitting layer is adjusted according to a luminance change curve of the second stack. | 04-26-2012 |
| 20120161114 | White Organic Light Emitting Device and Display Device Using the Same - A white organic light emitting device and a display device using the same to which a 2-peak spectrum is applied to execute white display comprises a first electrode and a second electrode disposed opposite each other on a substrate, and a blue light emitting unit and a phosphorescent light emitting unit provided between the first electrode and the second electrode, and a 2-peak white spectrum is formed through a first light emitting peak of the blue light emitting unit at a wavelength of 430 nm to 460 nm and a second light emitting peak of the phosphorescent light emitting unit at a wavelength of 530 nm to 630 nm. | 06-28-2012 |
